Home / 554,222,663.71-764,829,303.29-299,904,021.25

Finding the Fourth Proportional to 554,222,663.71, 764,829,303.29 and 299,904,021.25

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Solution

The fourth proportional to 554,222,663.71, 764,829,303.29 and 299,904,021.25 is: 413,868,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,222,663.71 : 764,829,303.29 = 299,904,021.25 : x
  2. Step 2: Convert to fraction form
    554,222,663.71/764,829,303.29 = 299,904,021.25/x
  3. Step 3: Cross multiply
    554,222,663.71x = 764,829,303.29 × 299,904,021.25
  4. Step 4: Simplify right side
    554,222,663.71x = 229,375,383,626,506,848
  5. Step 5: Solve for x
    x = 229,375,383,626,506,848/554,222,663.71
  6. Step 6: Final answer
    x = 413,868,646.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.